With regards to "juice is bad", here is a BMJ article which appears to validate that belief at least with regards to type 2 diabetes: http://www.bmj.com/content/347/bmj.f5001
Specifically: From the conclusion "Greater consumption of specific whole fruits, particularly blueberries, grapes, and apples, is significantly associated with a lower risk of type 2 diabetes, whereas greater consumption of fruit juice is associated with a higher risk."